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/*
* Copyright (C) 2013 Altera Corporation <www.altera.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _SCAN_MANAGER_H_
#define _SCAN_MANAGER_H_
struct socfpga_scan_manager {
u32 stat;
u32 en;
u32 padding[2];
u32 fifo_single_byte;
u32 fifo_double_byte;
u32 fifo_quad_byte;
};
/*
* Shift count to get number of IO scan chain data in granularity
* of 128-bit ( N / 128 )
*/
#define IO_SCAN_CHAIN_128BIT_SHIFT 7
/*
* Mask to get residual IO scan chain data in
* granularity of 128-bit ( N mod 128 )
*/
#define IO_SCAN_CHAIN_128BIT_MASK 0x7F
/*
* Shift count to get number of IO scan chain
* data in granularity of 32-bit ( N / 32 )
*/
#define IO_SCAN_CHAIN_32BIT_SHIFT 5
/*
* Mask to get residual IO scan chain data in
* granularity of 32-bit ( N mod 32 )
*/
#define IO_SCAN_CHAIN_32BIT_MASK 0x1F
/* Byte mask */
#define IO_SCAN_CHAIN_BYTE_MASK 0xFF
/* 24-bits (3 bytes) IO scan chain payload definition */
#define IO_SCAN_CHAIN_PAYLOAD_24BIT 24
/*
* Maximum length of TDI_TDO packet payload is 128 bits,
* represented by (length - 1) in TDI_TDO header
*/
#define TDI_TDO_MAX_PAYLOAD 127
/* TDI_TDO packet header for IO scan chain program */
#define TDI_TDO_HEADER_FIRST_BYTE 0x80
/* Position of second command byte for TDI_TDO packet */
#define TDI_TDO_HEADER_SECOND_BYTE_SHIFT 8
/*
* Maximum polling loop to wait for IO scan chain engine
* becomes idle to prevent infinite loop
*/
#define SCAN_MAX_DELAY 100
#define SCANMGR_STAT_ACTIVE_GET(x) (((x) & 0x80000000) >> 31)
#define SCANMGR_STAT_WFIFOCNT_GET(x) (((x) & 0x70000000) >> 28)
/*
* Program HPS IO Scan Chain
* io_scan_chain_id - IO scan chain ID
* io_scan_chain_len_in_bits - IO scan chain length in bits
* iocsr_scan_chain - IO scan chain table
*/
uint32_t scan_mgr_io_scan_chain_prg(
uint32_t io_scan_chain_id,
uint32_t io_scan_chain_len_in_bits,
const uint32_t *iocsr_scan_chain);
extern const uint32_t iocsr_scan_chain0_table[
((CONFIG_HPS_IOCSR_SCANCHAIN0_LENGTH / 32) + 1)];
extern const uint32_t iocsr_scan_chain1_table[
((CONFIG_HPS_IOCSR_SCANCHAIN1_LENGTH / 32) + 1)];
extern const uint32_t iocsr_scan_chain2_table[
((CONFIG_HPS_IOCSR_SCANCHAIN2_LENGTH / 32) + 1)];
extern const uint32_t iocsr_scan_chain3_table[
((CONFIG_HPS_IOCSR_SCANCHAIN3_LENGTH / 32) + 1)];
int scan_mgr_configure_iocsr(void);
#endif /* _SCAN_MANAGER_H_ */
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